/Engine/Source/Runtime/Engine/Classes/Interfaces/Interface_CollisionDataProvider.h
Returns an estimate of how much data would be retrieved by GetPhysicsTriMeshData.
true if successful, false if unable to successfully fill in data structure
virtual bool GetTriMeshSizeEstimates &40; struct FTriMeshCollisionDataEstimates & OutTriMeshEstimates, bool bInUseAllTriData &41; const